7426345 has 4 divisors (see below), whose sum is σ = 8911620. Its totient is φ = 5941072.

The previous prime is 7426333. The next prime is 7426351. The reversal of 7426345 is 5436247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4481689 + 2944656 = 2117^2 + 1716^2 .

It is a cyclic number.

It is not a de Polignac number, because 7426345 - 2¹³ = 7418153 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 4⁴ + 2⁷ + 6⁴ + 3¹³ + 4⁸ + 5 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742630 + ... + 742639.

It is an arithmetic number, because the mean of its divisors is an integer number (2227905).

Almost surely, 2^7426345 is an apocalyptic number.

It is an amenable number.

7426345 is a deficient number, since it is larger than the sum of its proper divisors (1485275).

7426345 is a wasteful number, since it uses less digits than its factorization.

7426345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485274.

The product of its digits is 20160, while the sum is 31.

The square root of 7426345 is about 2725.1321068895. The cubic root of 7426345 is about 195.1004960841.

The spelling of 7426345 in words is "seven million, four hundred twenty-six thousand, three hundred forty-five".